Isabel de Senlis (de St. Liz)

The addition of "St." before Senlis (St. Liz) is a mystery. Wikipedia shows a commune called Senlis, which was not called Saint-Senlis. Perhaps the addition of "St." relates to the abbey St Vincent, which Queen Anne of Kiev founded in at Senlis in 1065.

Medilands Simon I de Senlis Family

SIMON de Senlis, son of SIMON de Senlis Earl of Huntingdon & his wife Matilda of Huntingdon (-Aug 1153, bur St Andrew's Priory).
Ingulph's Chronicle of the Abbey of Croyland names "Simon, Waldev and Matilda" as the children of Simon Earl of Huntingdon and his wife Matilda, commenting that they "are still young and in their infancy"[728].
After his father died, he was passed over as earl in favour of his stepfather. However, he was restored as Earl of Huntingdon and Northampton [before 1141] by Stephen King of England for whom he fought at Lincoln in Feb 1141[729].
A manuscript narrating the foundation of St Andrew’s Priory, Northampton records that “Simon de Seynlyz junior” founded “abbatiam beatæ Mariæ de Pratis juxta Northampton”[730].
A charter of King Edward III confirmed the donations to the Abbey of De la Pre, founded by “Simon comes de Norhamtona”, for the soul of “Gervasii Paynel fratris mei”, by undated charter[731].
Robert of Torigny records the death in 1153 of "Symone comite Huntedoniæ"[732].
The Annals of Tewkesbury record that “comes de Norhamptone” died in 1153[733].
m as her first husband, ISABELLE de Beaumont, daughter of ROBERT de Beaumont Earl of Leicester & his wife Amicie de Gaël .
Robert of Torigny refers to the wife of "Symone comite Huntedoniæ" as "filia Roberti comitis Legecestriæ" but does not name her[734].
"R. comes Legrecestrie" granted tithes to "Isabele comitisse de Norhamtone sororis mee" by charter dated to the middle of the reign of King Henry II[735].
"I. comitissa Northamptonie" donated land at Groby to Nuneaton priory, for the souls of "patris mei et fratris mei R. comitis Legrecestrie" by charter dated to the middle of the reign of King Henry II[736].
She married secondly Gervase Paynell Baron of Dudley. Her second marriage is confirmed by charter dated 1187 under which “Gervasius Paganellus” donated property to Tykford Priory, with the consent of “uxoris meæ Isabellæ comitissæ de Norhamton”, which names “Fulcodius Paganellus avus meus et Radulfus Paganellus pater meus”, witnessed by “Simone comite Northamptoniæ, Isabella comitissa matre eius”[737].
Earl Simon & his wife had four children:

1. SIMON de Senlis ([1138] - Jun 1184, bur St Andrew's Priory). The Vita et Passio Waldevi Comitis names “Simonem de Senliz tercium et duas filias…Amicia et Hawisia” as the children of “comes…Simon…[et] Ysabellam comitissam, filiam Roberti comitis Leicestrie”[738]. Robert of Torigny records that "Symon filius eius" succeeded on the death in 1153 of "Symone comite Huntedoniæ"[739]. He was recognised as Earl of Huntingdon and Northampton in 1174. “Simon comes de Norhamtonia” donated property to Ramsey Abbey, Huntingdonshire by charter dated 28 Mar 1175, witnessed by “Simon fratre comitis…”[740]. m ALICE de Gand, daughter of GILBERT de Gand Earl of Lincoln & his wife Rohese de Clare (-1238, bur Bridlington). Robert of Torigny records that "filiam eius unicam [Gisleberti de Gant]" married "Symon iuvenis filius comitis Symonis"[741]. The Stemma fundatoris of Bardney Abbey names “Aliciam” as the daughter of ”Gilbertus”, adding that she married “Simon de Monteforti comes Noramtoniæ”[742]. A manuscript genealogy of the Gant family names “Aliciam” as the daughter of “Gilbertus”, adding that she married “Simoni de sancto Licio, comiti Huntingtoniæ et Northamptoniæ”, died childless, and was buried “apud Bredlinton”[743]. "A. comitissa Norhamtunie filia Gilleberti comes Lincolnie" confirmed the donation of land in Scampton to Kirkstead abbey by "Radulfus filius Gilleberti", for the health of "sponsi mei Simonis comitis", by charter dated to early in the reign of King Henry II[744]. Simon & his wife had two children:

a) GUNNOR. The Stemma fundatoris of Bardney Abbey names “Gonorram” as the daughter of “Simon de Monteforti comes Noramtoniæ” and his wife Alice, adding that she died without heirs[745].
b) SIMON de Senlis (-young). “Simon de sancto Licio frater comitis Symonis” donated property to the Abbey of De la Pre, Northamptonshire, for the soul of “Symonis nepotis mei”, by undated charter witnessed by “comitissa Adelyz de Gaund…”[746].

2. AMICE de Senlis. The Vita et Passio Waldevi Comitis names “Simonem de Senliz tercium et duas filias…Amicia et Hawisia” as the children of “comes…Simon…[et] Ysabellam comitissam, filiam Roberti comitis Leicestrie”[747].
3. HAWISE de Senlis. The Vita et Passio Waldevi Comitis names “Simonem de Senliz tercium et duas filias…Amicia et Hawisia” as the children of “comes…Simon…[et] Ysabellam comitissam, filiam Roberti comitis Leicestrie”[748].
4. ISABELLE de Senlis. Her parentage and marriage are confirmed by the charter dated to [1158/74] under which [her brother] "Comes Simon" confirmed to "Willelmo Malduit camerario domini regis et Isabelle uxori sue" the land "in Grendon…" which "comes Simon pater meus dedit Willelmo Malduit et Isabelle uxori sue in libero maritagio"[749]. m WILLIAM [III] Mauduit of Hanslope, son of WILLIAM [II] Mauduit & his wife Matilda de Hanslope ([1131/33]-2 Oct 1194, bur Waverley Abbey).

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Isabelle de Senlis

d/o Simon de Senlis & Isabelle de Beaumont

From Medlands:

http://fmg.ac/Projects/MedLands/ENGLISH%20NOBILITY%20MEDIEVAL.htm#S...

    ISABELLE de Senlis .  Her parentage and marriage are confirmed by an undated charter under which "Comes Simon" confirmed that "Comes Simon pater meus" granted "terram…in Grendon" to "Willelmo Malduit et Isabelle uxori suo in libero maritagio"[648].  m WILLIAM Mauduit, camerarius of Hanslope, son of WILLIAM Mauduit & his wife Matilda of Hanslope (-1194).  

www.findagrave.com

Isabel of Leicester
BIRTH unknown
DEATH unknown
BURIAL
Burial Details Unknown
MEMORIAL ID 228990029

Family Members
Parents

Robert "le Bossu" de Beaumont
1104–1168
Amice "de Montfort" de Gael, Heiress of Breteuil, Countess of Leiceste
1094–1168

Spouse
Simon II de Senlis
1103–1153

Siblings
Mathilde Maud de Beaumont
1116–1189
Robert "Earl of Leicester" De Beaumont III
1135–1190